Ripley and Charles treat members of a cult. Ahmad’s suspension takes an unexpected toll on Marcel. Abrams’ 5-month-old son lands in the E.D. under questionable circumstances.

Will Halstead returns to Med to help Goodwin with a secret investigation. Archer and Charles deal with twins who insist on being identical inside and out. Stevie and Dylan treat…

Maggie’s budding romance takes flight. After a woman’s shocking suicide attempt, Charles searches for answers. Asher works to diagnose a patient who is new to the city and appears with…

Frustrated with an insurance company, Ahmad takes matters into her own hands, jeopardizing Med’s negotiations and Marcel’s first day on the board. Charles helps a woman’s depressed husband. Asher’s first…

Goodwin recruits Charles to evaluate her ex-husband’s memory. Archer treats one of Sean’s peers from the rehab center. Asher treats a woman from a rural clinic whose miscarriage was improperly…

Maggie empathizes with a patient whose mother is afraid to consent to her son’s risky surgery. Ripley treats someone from his past. Ahmad questions her instincts.

A woman from Archer’s past returns and threatens his transplant surgery. Marcel clashes with Med’s new eager first-year resident. Charles works to repair his relationship with Ripley.

Severide and Violet risk clashing with Paramedic Chief Robinson after Lennox makes a dangerous decision on a call. Capp and Tony attempt to break a world record.

Severide and Violet risk clashing with Paramedic Chief Robinson after Lennox makes a dangerous decision on a call. Capp and Tony attempt to break a world record.

The team investigates a string of brutal pharmacy robberies, and Halstead connects with one of the victims about their Army careers. Upton suspects there is more to the story and…